Masazumi Zoi

Masazumi Zoi (Japanese: 酔正純, Zoi Masazumi) (15 September 1902-29 April 1979) was a Japanese construction magnate who owned Isobe, a construction company that was granted several contracts by the government of Japan, including the Ryukyu Causeway.

Biography
Masazumi Zoi was born on 15 September 1902 in Kurashiki, Okayama Prefecture, Honshu, Japan. Masazumi joined the Isobe company of Sukenobu Isobe after attending engineering school in Hiroshima, and he would be Sukenobu's protege. After his mentor's death in 1936, Masazumi became the new CEO of Isobe, and he made several acquisitions on behalf of Isobe, buying Haru and the Nikko Corporation to expand Isobe's operations after the end of World War II ironically brought prosperity to a defeated Japan. Isobe was contracted to build the Ryukyu Causeway, which gave Isobe millions of dollars. Many roads were built throughout Japan as well, and Isobe was responsible for building many of the roads. His company made millions off of the postwar reconstruction of Japan, and its investments brought it much wealth in the following decades. Zoi died in 1979 from lung cancer.